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Regulations last checked for updates: Jan 15, 2026
Title 14 - Aeronautics and Space last revised: Dec 19, 2026
All Titles
Title 14
Chapter I
Part 139
Subpart A - Subpart A—General
§ 139.1 - Applicability.
§ 139.3 - Delegation of authority.
§ 139.5 - Definitions.
§ 139.7 - Methods and procedures for compliance.
authority:
49 U.S.C. 106
(f), 40113, 44701-44706, 44709, 44719, 47175
source:
Docket FAA-2000-7479, 69 FR 6424, Feb. 10, 2004, unless otherwise noted.
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